Lost in Central Park? Here's How to Use the Little-Known Navigational Aids Hidden on the Lampposts

It's easy to get turned around in Manhattan's sprawling Central Park, particularly at night or on a cloudy day when you can't see which direction the sun is in. If you get lost in the forested section, you're screwed; you should just lie down and wait to be murdered by muggers. But if you're near a lamppost, you can use the little 4-digit code on them to figure out where you are. Here's how: